Microprocessor Section; Microprocessor Pc Board - Onkyo TX-SR606 Service Manual

A
SCHEMATIC DIAGRAMS-3 (SD-3)

MICROPROCESSOR SECTION

NADG-9462
1
U32

MICROPROCESSOR PC BOARD

33
32 LEDSTBY
31 GNDV4V
30 V4V
29 GNDV4_GNDMIC
28 V4_L
27 GNDV4_GNDMIC
26 V4_R
25 +15VA
24 MICOUT
23 -15VA
22 MICMUT
21 +5VDSP
20 MICDET
19 GNDDG
DISPLAY PCB
18 VOLB
17 VOLA
To NADIS-9430
16 -VP
SD-6 : H1
15 FLAC2
14 KEYINT1
2
13 FLAC1
12 KEYINT0
11 +3.3VS
10 KEY3
9 KEY2
8 KEY1
7 KEY0
6 FLDSDO
5 FLDCLK
4 FLDCS
3 FLDRST
2 REMIN
1
1 FLAC1
2 FLAC2
3 -VP
4 +3.3VS
5 SPRLZ2
6 SPRLSB
VIDEO PCB
7 SPRCS
To NAVD-9467
8 SPRLF
9 HPDET
SD-4 : G4
10 VPOWER
11 APOWER
12 POFF2
13 POFF
14 +10S
15 FANCTRL
3
15 VSW_S1
14 VSW_S2
13 VSW_S3
12 VSW_S4
11
VIDEO PCB
10 VSW_S6
To NAVD-9467 9 VSW_S7
8 VSW_S8
SD-4 : G4
7 GNDV4V
6 V4V
5 +5VDAC
4
3 GNDA
2 +5VDSP
1 GNDDG
<Note>
NC = No mount of parts.
SD-Z : XY
Location of connected terminal in schematic diagrams.
SD-Z = Schematic diagrams-Z. X = A to H, Y = 1 to 5.
4
COAXIAL
DIGITAL IN
OPTICAL
5
LIST
A
DIGITAL OUT
OPTICAL
B
TO_FLASH_WRITER
P702A
C629
104Z
AMUT_
C644
1/50
KRC104S
Q712
C631
R793 105Z
1K
AMUT
LIST
Z2MUT_
D
C645
1/50
R796 C632
1K
105Z
Z2PREMUT
R702
LIST
SBZ2MUT
C646
1/50
KRC104S
Q716
R799 C633
1K 105Z
SBMUTE
R701
D604, 605 :
47
1SS355
D603
POFF2
Q703
1SS355
S812C56AUA
I O
Q702 S812C33AUA
I O
+3.3V
C642
104Z
Q704
74VHCT541PW
BUS BUFFER
VSW_S8
VSW_S7
VSW_S6
VSW_S4
VSW_S3
VSW_S2
VSW_S1
P307
R353 C353
1
L309 R355
10 104K
220K
R356
L310 R354 C354 220K
2
10 104K
C336
103K D301
D302
U301
JSR1165-001
R341
IN
47
L308
+5.0V
1
VCC
GND
R342
IN
47
2
VCC
GND
U302
JSR1165-001
U303
GP1FAV51TKBF
R344
IN
220
R340
OUT
VCC
82K
GND
C
LIST
D
JL6016A
R684 0
R685 0 C641 104Z
R347
NC
PREFRL
+3.3V
R757
220
APOWER_W
R723
APOWER
220 R709
PROTECT 220 109 109
R710
ROMCS 47 110 110
ROMCLK R711 220 111 111
ROMSDI R712 112 112
47
R713
ROMSDO 47 113 113
R714
SPRLF 220 114 114
R715
SPRCS 220 115 115
SPRLSB R716 220 116 116
SBRELAY R717 117 117
220
R718
SPRLZ2 220 118 118
R719
SEC1H 220 119 119
VOLCLK R720 47 120 120
VOLDATA R721 121 121
47
Z2VOLCLK R722 47 122 122
C623 102K 123 123
VPOWER R724 220 R755 124 124
47K
HPDET R725 1K 125 125
47K
MICMUT R726 220 R756 126 126
1K
MICDET R727 127 127
128 128
LEDSTBY R729 LIST 129 129
TRGC R730 LIST 130 130
TRGB R731 131 131
LIST
R732
TRGA LIST 132 132
VOLA R733 1K 133 133
VOLB R734 1K 134 134
VOLH R735 220 135 135
THERMAL 220 136 136
R736
R747
R737 LIST INIT3 LIST 137 137
R748
R738 LIST INIT2 LIST 138 138
R749
R739 LIST INIT1 LIST 139 139
R740 LIST BAND R750 LIST 140 140
KEY3 R741 4.7K 141 141
R742 4.7K
KEY2 142 142
R743
KEY1 4.7K 143 143
R744
KEY0 4.7K 144 144
R754 2.7K
R753 2.7K
R752 2.7K
R751
2.7K
+3.3V
ROMCS 1 8
CS VCC
ROMSDI 2 7 R789
SO HOLD
3 6 10K
WP SCK
4 5
GND SI
Q706
Q705
RN1404
SI25C64A-2GLI
EEPROM
L306
LBC2518T470M
C320
Q303 104Z
TC7WU04FU
INVERTER
1 8
VD
2 7
3 6
4 5
GND
Q302
TC74VHC157FT
R326 1M
MULTIPLEXER
1
X301
SELECT VCC
24.576MHz 2
1A ST
330
R321 3
1B 4A
L322 4
1Y 4B
LM182
5
2A 4Y
6
2B 3A
7
2Y 3B
8
GND 3Y
L309, 310 : LBC2518T2R2M
D301, 302 : 1SS355
OPT1
OPT2
T6,DTX5
COAX1
OTHER
L307
HDMISPF_DL2
OPT1
L307, 308 :
OPT2
LBC2518T470M
COAX1
COAX2
TX
DSP/HDMI PCB
To NAHDM-9473
SD-8 : F1
P8001A P8002A
Q701
uPD70F3746
MAIN MICROPROCESSOR
NU : NO USE
C608
104Z
+3.3V
16
15
14
13 C301
470/10
12
+
11
330 R319
10 64
9 330 R318 63
330 R317 62
R316 47 LM182 L316
61
SAI_SLCK
47 R315
60
SAI_LRCK
R314
OMCK 220 59
OMCK
58
ADCIN1
+5.0V
57
ADCIN2
L313 56
CX_SDOUT
LL241
R313
55
RMCK
R312
DIR_SDOUT 47 54
150
SAI_SDOUT
104Z C314 53
VLS
52
DGND2
104Z C313
51
VD2
TX R311 47 50
49
R311
YES
NO +5.0V
L303
L303, 304 : LBC2518T4R7M
L304
R331 330
R332 330
R333 330
330
R334
330
R335
TX-SR606
D
P8003A
Q711
72 72
71 71
70 70
69 69
68 68
67 67
66 66 SYSOU
65 65
64 64
63 63
62 62
61 61
60 60
59 59
58 58
57 57
56 56
55 55 CEC_IN
54 54 CEC_O
R7
53 53
R7
52 52
51 51
50 50
49 49
48 48
47 47
46 46
45 45
R7
44 44
43 43
42 42
41 41
40 40
39 39
38 38
37 37
17
VQ
18
FLT+
19
REFGND
20
AOUTB4-
64:CX_SDIN2
21
AOUTB4+
63:CX_SDIN3
22
AOUTA4+
62:CX_SDIN4
23
AOUTA4-
Q301
24
VA
CS42518-CQ
25
AGND1
DIR / ADC /DAC
26
AOUTB3-
27
AOUTB2- : 30
AOUTB3+
28
AOUTB2+ : 31
50:TXP
AOUTA3+
AOUTA2+ : 32 29
49:RXP0
AOUTA3-
30
31
32
NC C331
330J C332
330J C333
330J C334
C335
330J